Home / 57,921.75-86,890.05-16,368.75

Finding the Fourth Proportional to 57,921.75, 86,890.05 and 16,368.75

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Solution

The fourth proportional to 57,921.75, 86,890.05 and 16,368.75 is: 24,555.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,921.75 : 86,890.05 = 16,368.75 : x
  2. Step 2: Convert to fraction form
    57,921.75/86,890.05 = 16,368.75/x
  3. Step 3: Cross multiply
    57,921.75x = 86,890.05 × 16,368.75
  4. Step 4: Simplify right side
    57,921.75x = 1,422,281,505.94
  5. Step 5: Solve for x
    x = 1,422,281,505.94/57,921.75
  6. Step 6: Final answer
    x = 24,555.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.